LSWNDR

so the setup i have currently only made what a MS4 cam only car made, 421-386, and i'm not sure why? So the question is should i reconfigure my setup for a 346 pro charged or a 408 bottle fed either way the car is daily driven because you never know when a rich bastard is going to pull up in a brand new lamborgini murcielogo like a ***** and flip the bird to you & your LSWNDR I would like something that will be decsent to drive every day. My car is a M6 with a spec 3+ and a moser 12-bolt so holding power will not be an issue. i'm not quite sure which is gonna be faster. 346 is forged already but the 408 setup would require more parts, time, and money. What should i do?

djsanchez2

iTrader: (14)

In your case i would stick with the 346 since it is forged. The 346 has very good potential with a lil boost. Just keep in mind the 408 would be faster if it were an efficient build and a decent shot. Also the 408 would use more gas as a DD.The 346 would have to go high boost/ and meth inj or race gas to keep up.

Let's see most decent 408 builds put down:
480-520 on motor
650-700 on 200-250 shot
720-780 on 300 shot

and FAT FAT amounts of torque.

a good low compression 346 puts down:
550 on low boost (6-8psi)
650 on medium boost (10-12)
720-750 on high boost (14-16)

DOn't quote me on these numbers, they are ROUGH guesstimates of what each generally puts down, just throwin some starter numbers out there.

socmguy

iTrader: (18)

you need to be more specific with how many lbs of boost and how big of a shot.

LSWNDR

i just see alot of 408 kids super proud of there numbers and races won with there setup's so that is why i'm leaning towards it, but then truthfully i was thinking about a pro charged 346 since my set up is forged already to save cost.

ironhorse583

iTrader: (5)

with a blower cam only 346 on 10 lbs of boost through a m6 and 9in made 565 rwhp with the intercooled vortech v9...

VaderZ

iTrader: (3)

i'd go 346 pro charged

slammer454

346 Procharged, you won't regret it.

blu byu EH

iTrader: (25)

Procharged
A. you dont have to worry about your bottle presure and watching the spark plugs.
B. do you want to blow your money away on the just filling you bottle.

LSWNDR

thanks guys for sure better off that way

david vericker

iTrader: (1)

You won't reqret it until that 408 with a 225 shot blows your doors off ,and you can go to the bank with that dude!

LSWNDR

depends on the boost, cubic inches, driver, ect.

LSWNDR

Big boosted pro charger with a waste gate i'll just turn it up, but lol i won't hook with out the help of big foots dragster slicks. . . lol

s346k

iTrader: (4)

any n2o car is going to drag a charger car of near equal power. torque hit. especially a 408 on the bottle - those motors setup properly are ******* nasty. the only prochaged 346 cars i've seen run what they should are sponsor cars, which obviously are given the best parts and time investment available. i'd opt for a nitrous setup, just because you can have a stout n/a setup that still runs hard on a 200 shot. you don't need a "nitrous" motor to run small(er) shots like that. you can knock on 8s with a 408 and some juice, i've seen it many many times. not seen many procharged 346s even in the 9s without EXTENSIVE suspension work and a **** ton of additional **** that generally makes having the boost a big pain in the ***.

the hardest running cars i know of are n/a monsters with the bottle for fun.

just my .02

silverbeast

iTrader: (16)

do a search on here for KP's car. It is a 346 with an F1. It has dipped in the 8's and he can drive it anywhere he wants to. check out his setup before you make your mind up.

Josh@PremierAutosports

iTrader: (11)

I'm all for a large nitrous motor but a supercharged 346 is the way to go for a kickass daily driver. If you make 700whp either way, have a good tire, and can drive you will outrun 99.9% of whatever you encounter on the street. You will be running a way smaller cam on the blower motor and get quite a bit better gas milage under normal driving. I've done a few supercharged C6's that get 30-33mpg on the highway.

MeentSS02

iTrader: (11)

Any cost savings are gonna get eaten up by going FI. A reliable FI setup is not going to be cheap in any way, shape, or form.

N4cer

iTrader: (11)

Neither. Home built turbo setup on your 346.

silverbeast

iTrader: (16)

This is very true. they are ALL money pits so it comes down to what you want. The cheapest way out is to do bolt ons with a shot of gas and call it DONE.

Nightrydass

Please don't shoot me for asking, but, doesn't it come down to what you want out of your FI setup?

The new Magnusson Supercharger's for our cars REALLLLLLY sparked my interest. My idea was to rebuild my motor w/ forged internals but keeps the stock C.I and what-not (my block in perfectly fine) w/ the execption of a custom grinded cam. Even my heads would be stock, just ported. The blower is like $6K and i would guesstimate the engine work to be around $5-6K placing me between $12-15K for the build after you factor in misc b/s parts and tune.

Unless im way off (????) , i would think that would be right around the ballpark price (cheaper???) of a 402-408 C.I build, after you factor in any parts to retrofit a GenIV engine into a GenIII car, and make more power; right?

I'm not looking for a specific HP goal or E.T; what i am loking for is the best bang for the buck.